Rate Cafe
Recipe Rates
What's That Point?
Scale it Up!
Equation Station
Crack the K
100
A cyclist travels 2 1/2 miles in 1/2 hour. What is the cyclist’s speed in miles per hour?
What is 5 miles per hour?
100
A recipe uses 1 1/2 cups of flour for 1/2 of a batch. How much flour is needed for 1 full batch?
What is 3 cups of flour?
100
On a graph, x represents hours worked and y represents dollars earned. What does the point (2,30) mean?
What is a person earns $30 in 2 hours?
100
A map uses a scale of 1 inch = 24 miles. Two locations are 54 miles apart. How far apart are they on the map?
What is 2.25 inches?
100
A proportional table contains (2,5) and (4,10). Write the equation.
What is y=2.5x?
100
According to the table, what is the constant of proportionality?
What is 3.5?
200
A runner travels 3 3/4 miles in 3/4 hour. What is the unit rate?
What is 5 miles per hour?
200
A recipe uses 2 1/4 cups of sugar for 3/4 of a batch. How much sugar is needed for 1 full batch?
What is 3 cups of sugar?
200
On a graph, x represents pizzas delivered and y represents tips earned. What does the point (4,20) mean?
What is $20 in tips per 4 pizzas delivered?
200
A map uses a scale of 1 inch = 18 miles. Two cities are 63 miles apart. How far apart are they on the map?
What is 3.5 inches?
200
A store charges $3.75 per pound. Let x represent pounds and y represent cost. Write the equation.
What is y=3.75x?
200
Find k in the table below. 
What is 2.75?
300
A horse travels 4 1/2 kilometers in 3/8 hour. What is the horse’s speed in kilometers per hour?
What is 12 kilometers per hour?
300
A recipe uses 1 7/8 cups of milk for 3/4 of a batch. How much milk is needed for 2 full batches?
What is 5 cups of milk?
300
A proportional graph contains the point (6,27). Find the unit rate.
What is 4.5?
300
A map uses a scale of 2 inches = 45 miles. Two locations are 72 miles apart. How far apart are they on the map?
What is 3.2 inches?
300
A table contains (5, 13.75) and (10, 27.5). Which equation represents the relationship?
What is y=2.75x?
300
A proportional relationship contains the point (2.5,8.75). Find k.
What is 3.5?
400
A boat travels 5 1/4 miles in 7/12 hour. What is the unit rate in miles per hour?
What is 9 miles per hour?
400
A recipe uses 2 2/3 cups of flour for 4/5 of a batch. How much flour is needed for 3 full batches?
What is 10 cups of flour?
400
A. What does the highlighted point mean in this situation?
B. What is the constant of proportionality?
C. Write an equation that represents the relationship.
What is 3 movie tickets costs $12?
What is k=4?
What is y=4x?
400
Two cities are 2.75 inches apart on a map. The scale is 1 inch = 32 miles. What is the actual distance between the cities?
What is 88 miles?
400
A proportional graph contains the point (6,15). Write the equation and explain the meaning of k.
What is y=2.5x; k=2.5 means 2.5 y-units for every 1 x-unit?
400
Using information from the table below, find k. 
What is 4?
500
A hiker travels 2 5/8 miles in 7/20 hours. What is the unit rate?
What is 7.5 miles per hour?
500
A recipe uses 3 3/8 cups of an ingredient for 1 1/8 batches. How much is needed for 2 full batches?
What is 6 cups?
500
A. What does the highlighted point mean in this situation?
B. What is the constant of proportionality?
C. Write an equation that represents the relationship.
What is 5 pounds of fruit costs $17.50?
What is k=3.50?
What is y=3.50x?
500
A map uses a scale of 1 1/2 inches = 42 miles. Two cities are 105 miles apart. How far apart should they be on the map?
What is 3.75 inches?
500
A student says the equation for a proportional relationship containing (4,14) and (8,28) is y=x+10 Explain the error and write the correct equation.
What is k=3.5 so the equation should be y=3.5x?
500
Relationship A contains the point (4,14). Relationship B is represented by y=3.25x. Find k. Which relationship has the greater constant of proportionality?
What is Relationship A-k=3.5 and Relationship B-k= 3.25?